1. You .................... wear a tie in the office. It is not obligatory.

2. I .................... repaint the fence. It is in a very bad shape.

3. We .................... help him. Without our help, he will not assemble the furniture.

4. The students .................... write another essay. It is not necessary.

5. You .................... feed wild animals in the park. It is dangerous.

6. I .................... take a longer break because I am very tired.

7. John .................... exercise more if he wants to be healthy.

8. We .................... repair our car. It is too risky to use it without having it repaired.

9. You .................... take out insurance. You can take a risk and if nothing bad happens you will save some money.

10. She .................... wear shorts and sandals in her job. They have a very strict dress code.